The Lincoln Navigator code P0171 indicates that the engine control module (ECM) has detected a lean fuel condition in bank one, meaning there's too much air or not enough fuel in the air-fuel mixture. Common causes include a vacuum leak, a malfunctioning mass air flow (MAF) sensor, clogged fuel injectors, or a weak fuel pump. Other potential issues could involve problems with the exhaust system or a faulty oxygen sensor. Addressing these issues promptly is essential to prevent engine performance problems and ensure optimal fuel efficiency.
Trouble code P0171 means: Fuel System Lean (Bank 1)
Trouble code P0401 means: Exhaust Gas Recirculation Malfunction
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The Lincoln Navigator keypad entry code can be found in the back of the owners manual. You can only use the keypad entry code once and then you will have to enter your personal entry code.
Each vehicle that has keyless entry has its own code
Trouble code P0171 means:System too lean (Bank 1)
Trouble code P0171 means: System too lean (Bank 1)
Trouble code P0174 means: Fuel System Too Lean (Cylinder Bank 2) Trouble code P0171 means: Fuel System Too Lean (Cylinder Bank 1)
Trouble code P0171 means: Bank 1 Combustion Too Lean
Trouble code P0171 means: System Too Lean (Bank 1)
Trouble code P0171 means: Fuel System Lean (Bank 1)
Trouble code P0171 means:System too lean (Bank 1)